The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-073-0082, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-073-0082 |
| Primary Part Number | 12273263 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Operating Position | VERTICAL |
| Suction Lift | 4.130 FEET AND 4.370 FEET FT |
| Centrifugal Pump Impeller Quantity | 1 |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 2376.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Stage Quantity | 1 |
| Discharge Pressure | 70.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 2.7 GALLONS PER MINUTE |
| Discharge Connection Type | COMPRESSION TUBE |
| Prime Mover Type | HYDRAULIC MOTOR |
| Media for Which Designed | HYDROCARBON FUELS AND OILS AND WATER, FRESH |
| Mounting Type | BASE |
| Centrifugal Pump Design | MIXED FLOW |
| Total Head | 15.000 FEET FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12273263 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| XM66131 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
| XM22107 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
| 4320010730082 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12273263 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4320-01-073-0082 is a Pump Unit,centrifugal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-073-0082 has 1 manufacturer part number on file: 12273263 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12273263: Discharge Connection Quantity: 1; Pumping Element Operating Position: VERTICAL; Suction Lift: 4.130 FEET AND 4.370 FEET FT; Centrifugal Pump Impeller Quantity: 1. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.